/Engine/Source/Runtime/Engine/Public/ExternalPackageHelper.h
Create an external package
the created package
static [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * CreateExternalPackage ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * InObjectOuter, const [FString](API\Runtime\Core\Containers\FString) & InObjectPath, EPackageFlags InFlags )